Submission #1091346

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091346		Trisanu_Das	Solar Storm (NOI20_solarstorm)	C++17	28 / 100	185 ms	41044 KiB

SolarStorm

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, s, k; cin >> n >> s >> k;
    int d[n], v[n + 1], x[n + 1], sum[n + 1];
    for(int i = 1; i <= n - 1; ++i) cin >> d[i];
    for(int i = 1; i <= n; ++i) cin >> v[i];
    x[1] = 0;
    for(int i = 2; i <= n; ++i) x[i] = x[i - 1] + d[i - 1];
    sum[0] = 0;
    for(int i = 1; i <= n; ++i) sum[i] = v[i] + sum[i - 1];
    int ans_s = 0, ans_i = 0;
    for(int i = 1; i <= n; ++i) {
        int r = upper_bound(x + 1, x + n + 1, x[i] + k) - x - 1,
            l = lower_bound(x + 1, x + n + 1, x[i] - k) - x - 1;
        if(sum[r] - sum[l] > ans_s) {
            ans_s = sum[r] - sum[l];
            ans_i = i;
        }
    }
    cout << 1 << '\n' << ans_i << '\n';
}

• Subtask 1: 10 / 10
• Subtask 2: 7 / 7
• Subtask 3: 11 / 11
• Subtask 4: 0 / 8
• Subtask 5: 0 / 18
• Subtask 6: 0 / 16
• Subtask 7: 0 / 30